105207-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105207-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,0 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105207-74:
(8*1)+(7*0)+(6*5)+(5*2)+(4*0)+(3*7)+(2*7)+(1*4)=87
87 % 10 = 7
So 105207-74-7 is a valid CAS Registry Number.